We send police assistance to every one of those calls, because they're not just codes on a radio beam, they're cries for help.
7 seconds sound clip from the The Asphalt Jungle (1950) movie soundboard.
You can hear this line at 01:48:00 in the Blu-ray version of the movie.
Quote context
[...]
- Robbery at 193 Scully Avenue. Listen. All units, robbery at 193...
- Two male Caucasians armed with blue steel...
- All units, strong-arm slugging, 3216 River Drive...
- And that's not exceptional, that's usual. It's the same in every city of the modern world.
- But suppose we had no police force, good or bad.
- Suppose we had... just silence. Nobody to listen. Nobody to answer.
- The battle's finished. The jungle wins. The predatory beasts take over.
[...]